Articles tagged with Forest Fires
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Fungi have evolved unique strategies to digest charcoal and other pollutants, including gene duplication and horizontal gene transfer. These discoveries could lead to new methods for cleaning up contaminated environments.
A recent study published by the Ecological Society of America highlights the impact of rainstorms on environmental DNA in streams. Researchers found that rainfall can wash away genetic material from land-based species and deposit it into nearby waterways, providing a fuller picture of who is present. In another study, scientists discov...
A new study published in Environmental Science & Technology found that exposure to wildfire smoke during the third trimester may raise the risk of autism diagnoses in children. Mothers who were exposed to more than 10 days of wildfire smoke had a 23% higher risk of their child being diagnosed with autism by age 5.
Research found that deciduous tree dominance reduces wildfire carbon losses in boreal forests, storing more carbon above ground and releasing less in deep organic soils. This shift could help slow climate warming by reducing carbon emissions per unit area burned.
Researchers analyzed the Caldor Fire's impact on the Lake Tahoe Basin and found that pre-fire treatments significantly reduced fire severity. The most effective treatment types did not include controlled fires, highlighting the importance of other methods such as thinning and sweeping up unburned fuel piles.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences quantify the role of climate change in wildfires and air quality, finding that 60-82% of total burned area in western US forests is directly attributable to warming temperatures and drier conditions caused by climate change.
A study published in Science Advances found that unusually large particles of wildfire smoke had a significant cooling effect on the region they were observed in, increasing outgoing radiation by 30-36% compared to smaller smoke particles. This effect has not been included in current climate models.
A new computer model, GeoFlame VISION, uses AI and satellite imagery to produce a dynamic wildfire risk map for the entire US. The model shows that California's eastern, southwestern, and northwestern parts are at high risk due to Santa Ana winds.
A new study warns that climate change will dramatically increase wildfire danger globally, affecting traditionally fire-prone and previously unaffected regions. The projected fire danger in these areas could represent conditions with less than a 1% chance of occurrence during recent historical periods.
Human-driven climate change makes wildfires in parts of South America and Southern California much larger and more destructive. Climate models warn that severe heatwaves and droughts will make extreme wildfires more frequent and intense worldwide.
Researchers found a strong link between compound droughts and wildfires in California, leading to increased fine particulate matter (PM2.5) concentrations. The study shows that severe droughts can substantially raise wildfire risk, with PM2.5 levels increasing by 9.5·m³ under extreme conditions.
Researchers found two bacterial strains on grape leaves that can degrade guaiacol, a compound causing smoky taste in wines exposed to wildfire smoke. The study provides hope for developing biotechnological strategies to restore flavor in tainted wines.
Research from Colorado State University reveals how wildfire smoke combines with existing particulate pollution to create secondary, often more toxic, pollution and contribute to ozone formation. The study found that 90% of aerosol pollution over NYC is sensitive to at least one aspect of global changes, such as high temperatures.
Forestry professionals express concerns about AI's impact on land-management decisions and policy, citing 'black box' problems and data quality issues. However, they see potential for AI to support tasks like data analysis and task automation.
A new study reveals that small electric charges between particles play a crucial role in forming highly concentrated clusters in turbulent environments. This discovery has significant implications for climate research, medicine, engineering, and science, enabling better predictions and controls.
Analysis found that Indigenous Territories with high forest cover can decrease disease rates, including malaria and pneumonia. Legal protection is key to maintaining this effect.
A new nationwide database, TWIG, is helping land managers evaluate the impact of fuel treatments on wildfire risk. The open-access platform consolidates decades of data from across the US, enabling more efficient and effective strategies for applying treatments.
A new study found that proactive forest management can significantly reduce the risk of high-severity wildfires by 88% and stabilize carbon stocks. The research analyzed over 200 fuel reduction projects in California's Central Sierra and found that treated forests stored carbon more durably, even after extreme droughts.
Researchers propose using bio-oil to sequester carbon dioxide in abandoned oil wells, offering a cost-effective alternative to direct air capture. The technology involves fast pyrolysis of biomass feedstock, producing bio-oil that can be injected into empty wells.
Researchers found that wildfire chars can suppress methane production by supporting the growth of bacteria that outcompete methanogens. This natural process could have important implications for mitigating greenhouse gases and climate change.
A new study by UN University scientists finds that the global human population directly exposed to wildland wildfires increased by 40% since 2000, with 85% of those in Africa. This has led to 2,500 direct deaths and 1.5 million smoke-related deaths each year.
Research led by the University of Utah found that industrial private land has nearly one-and-a-half times higher odds of high-severity wildfire compared to publicly owned forests. Reducing tree density can mitigate megafire risk even in extreme weather conditions.
A new study suggests that exposure to wildfire-derived PM2.5 is linked to increased mortality and morbidity, with a 93% underestimation of the actual death toll. The research estimated 535 annual deaths from all causes due to short-term exposure to wildfire smoke.
Research found that high-elevation tropical forests in the Colombian Andes store significant amounts of pyrogenic carbon (PyC) due to past fires. The study analyzed soil samples from different elevations and land-use types, revealing PyC stocks nine to ten times higher in High Andean forests than in warmer regions.
The Amazon has experienced a 163% increase in degradation and a 54% decrease in deforestation between 2022 and 2024. This 'negative balance' of biome protection threatens Brazil's international climate commitments, particularly its target to reduce greenhouse gas emissions by 59-67% by 2035.
A new study from Colorado State University and Western Colorado University found that aspen forests can act as natural firebreaks, slowing fires' spread. Aspen trees with high moisture content and chemical differences reduce flammability, making them more resistant to burning.
Scientists at NSF NCAR developed a method using satellite imagery and USGS data to assess forest recovery, revealing that areas with conservation practices recover faster. The study also found that fire severity increases in unprotected areas and that evergreen forests benefit the most from protective measures.
A new online platform, SMRT-Flames, estimates the health impacts of wildfire smoke and provides fire managers with tools to assess potential smoke exposure. The app uses a Harvard-developed computer model to predict how fires would behave across regions and how smoke would pool and disperse.
A study of 100,000 water samples from 500 river basins found elevated levels of contaminants like organic carbon, phosphorus, nitrogen, and sediment persisting for years after wildfires. Water managers can use this data to inform planning strategies for increasing wildfire resilience.
Prescribed burns contribute to significant air pollution in the southeast, particularly in minority and low-income areas. Climate change may exacerbate these impacts as fewer burn days become available.
Researchers at Uppsala University predict that concurrent extreme events will become more frequent due to climate change, posing new challenges for preparedness. The study examines six types of events and finds a sharp increase in combinations of heatwaves and forest fires, as well as heatwaves and droughts, in various regions worldwide.
A PSU study found that fires can cause trees to die in subsequent years, affecting forest regeneration. The researchers mapped annual changes in live tree cover and found that older conifer trees and sensitive species were most likely to die later.
Record-breaking wildfires are rapidly transforming forests from carbon sinks to super-emitters due to warming and drought conditions. Planting trees can even increase wildfire risk in some cases.
A new guidebook from Northern Arizona University provides essential support for individuals and communities affected by wildfires in Arizona. The comprehensive resource covers topics such as insurance, erosion control, emotional recovery, financial aid, and more to help residents recover from the aftermath of these devastating events.
The University of Texas at Arlington researcher Yunyao Li has been selected by NASA to develop a system that provides early warnings of hazardous air pollution from wildfires. The project aims to enhance wildfire air quality forecasting capabilities and develop tools for decision-making processes related to health management.
A study found moderate elevations of certain PFAS in health care workers' blood, with notably higher odds of detecting Sb-PFOA and PFDoA compared to other professions. Firefighters had the highest concentrations of PFAS, specifically concentrations of PFHxS, Sm-PFOS, n-PFOS and PFHpS.
The risk of wildfires is increasing due to climate change, leading to overlapping fire weather seasons in the two regions. The number of simultaneous fire weather days has been increasing by one day per year for the past 40 years, with projections suggesting an increase of up to 29 days per year by mid-century.
Scientists at Stanford University have discovered a method to perform prescribed burns with drastically reduced health implications by adjusting burn conditions. By tweaking moisture, heat, and oxygen levels, PAH emissions can be slashed by up to 77%, cutting cancer risks from smoke exposure by over 50%.
Scientists at Stanford University suggest reducing health implications of prescribed burns by fine-tuning three conditions: moisture content, heat intensity, and oxygen levels. This can slash PAH emissions by up to 77% and cut cancer risks from smoke exposure by over 50%.
Research articles explore relative effectiveness of wildfire fuel treatments, geese impact on Arctic breeding grounds, bumble bee foraging behavior in agricultural areas, and the discovery of epiphytes in cities.
Researchers develop AI model to predict lightning-induced wildfires with over 90% accuracy, integrating data from satellites, weather systems, and environmental factors. The model has the potential to transform emergency response and disaster management worldwide, saving lives and preserving ecosystems.
The research analyzed satellite images and machine learning to detect forest loss in Ukraine during the war. The study found that Ukraine lost over 800 km² of forests in 2022 and 772 km² in 2023, mainly due to fires in war-torn regions.
Researchers found that prescribed fire and forest thinning can greatly improve the stand's resistance to catastrophic fire, reducing fuel loads and mortality. The study also suggests that conserving old-growth forests requires active management to replicate essential ecological roles of fire.
Researchers found that forest thinning followed by a prescribed burn can greatly improve the stand's resistance to catastrophic fire. This approach is crucial for conserving old-growth forests in seasonally dry regions, as it replicates the essential ecological roles of fire.
A study by Florida Atlantic University investigated how removing dead wood could reduce wildfire risks and enhance carbon storage. The research found that combining physical harvesting with thinning significantly reduced wildfire risks, while lowering carbon emissions and offering carbon sequestration through products like biochar.
A new study developed a computer model to predict household displacement duration in US communities after disasters, accounting for socioeconomic factors. The model combines physical damage estimates with socioeconomic characteristics to help inform risk mitigation strategies.
A new study reveals the extreme vulnerability of young volcanic soils to wildfires in the Arequipa shrublands of Peru. The research found that vegetation and soil combustion, combined with post-fire erosion, have caused a severe loss of soil organic carbon, hindering ecosystem recovery.
A CSU study reveals trees are contracting in response to climate change, failing to regenerate in hottest areas and not expanding into cooler climates. Human-assisted tree migration is proposed as a solution to help forests adapt to climate change.
Research published in Nature Communications reveals that fewer forest fires are burning today than in the past, despite recent record-breaking fire years. This 'fire deficit' allows fuel to build up over time, creating conditions for more severe fires. The study highlights the importance of beneficial management fires on the landscape.
Human-caused fires in the Western US are growing faster than lightning fires due to climate-driven changes in dryness and heat. The study found that anthropogenic greenhouse gas emissions account for 81% of the increases in flammable days, highlighting the need for more accurate fire risk models.
A new study found that 34% of the Arctic-boreal zone is now a source of carbon, with fires and microbial activity contributing to emissions. The research provides a comprehensive assessment of carbon fluxes in the region, highlighting the importance of monitoring these processes.
New research from Colorado State University finds that wildfire smoke has a modest impact on long-term solar power generation activity in the US. The study, published in Nature Communications, shows that power generated from photovoltaics remained relatively stable even in extreme fire seasons, with losses averaging around 5%.
Early online research reveals associations between snowmelt timing, wildfires in Alaska, and rapidly intensifying tropical cyclones. The impact of climate patterns on extreme weather events is a growing concern.
A study found a strong link between woody cover and large wildfire occurrence in the eastern US, with a 37% increase in woody vegetation over the last 30 years. In some regions, such as eastern Texas and the Appalachian Mountains, each 1% increase in woody cover led to a 3.9% increase in wildfire risk.
A study by University of California - Davis researchers found that well-timed tree planting can boost forest recovery by up to 200% in hotter, drier areas. However, competition from shrubs can hinder this process, and the outcome depends on climate, soil, and vegetation conditions.
Researchers found a link between El Niño events and increased fire risk in the Amazon region, particularly where groundwater storage is compromised. The study highlights the critical role of groundwater in sustaining vegetation during droughts, emphasizing the need for prevention efforts during extreme climatic conditions.
A new study finds that California's wildfire response is biased towards wealthier communities, leaving marginalized populations without access to necessary resources. The analysis of over 500 wildfire incidents revealed a significant disparity in resource allocation based on socio-demographic factors such as race and economic status.
Research reveals that US cities in Western states had the highest average smoke levels over five years, but 2023 saw metropolitan areas like Baltimore flooded with unhealthy smoke. The algorithm helped identify cities with significant air pollution from wildfires, including Sacramento, Medford, and Bend.
A new study from Tel Aviv University uses smartphone data to predict wildfire risk, overcoming individual device errors by averaging large amounts of public data. The method provides valuable insights into wildfire evaluation, especially in remote areas lacking traditional weather stations.
A study by the University of Bonn and Universidade Federal de Minas Gerais shows that forest protection measures significantly reduce particulate matter in the air, leading to a decrease in hospital stays and deaths due to respiratory diseases. Protective measures are estimated to save around 680 human lives per year.